Hello Thrashbarg,
Is the single-stepper circuit for single instruction or single cycle stepping ?

Hello all.........After using some of the w65c02-s6pg-14 cpu's for some time now and without any problems i may add !.........I decided to purchase some more. However, i find now that the part has been replaced with part number w65c02-s6Tpg-14. These i find do not function correctly. Sometimes the ...

Can anyone point me in the right direction to where i can find a windows-based 6502 / 65c02 assembler-disassembler ?
I want to be able to dis-assemble rom-files, modify and re-assemble them.
Regards, Sean

The problem in this instance is due to a lack of pull-up resisters required on the port-B inputs and this information was supplied by Garth Wilson. Aparrently, other 65c22 have ttl level inputs and this is not so with the Western Design chip. Anybody using keypad input between port-A and port-B ...

Hello all,
Need help here i'm afraid. I normally use the Rockwell part without any problems at all, but i need to use the wdc parts now in order to attain higher running speeds. I have no problems at all with substituting the w65c02 part into the system, it works fine. But inserting the w65c22 into ...